GB2142781B - Switchable magnet assembly for use at sea - Google Patents

Switchable magnet assembly for use at sea

Info

Publication number
GB2142781B
GB2142781B GB08416778A GB8416778A GB2142781B GB 2142781 B GB2142781 B GB 2142781B GB 08416778 A GB08416778 A GB 08416778A GB 8416778 A GB8416778 A GB 8416778A GB 2142781 B GB2142781 B GB 2142781B
Authority
GB
United Kingdom
Prior art keywords
sea
magnet assembly
switchable magnet
switchable
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08416778A
Other versions
GB2142781A (en
GB8416778D0 (en
Inventor
Alfred Bridges Cotton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Publication of GB8416778D0 publication Critical patent/GB8416778D0/en
Publication of GB2142781A publication Critical patent/GB2142781A/en
Application granted granted Critical
Publication of GB2142781B publication Critical patent/GB2142781B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G7/00—Mine-sweeping; Vessels characterised thereby
    • B63G7/02—Mine-sweeping means, Means for destroying mines
    • B63G7/06—Mine-sweeping means, Means for destroying mines of electromagnetic type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
    • B63G9/00—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines
    • B63G9/06—Other offensive or defensive arrangements on vessels against submarines, torpedoes, or mines for degaussing vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Soft Magnetic Materials (AREA)
  • Magnetic Treatment Devices (AREA)
GB08416778A 1983-07-04 1984-07-02 Switchable magnet assembly for use at sea Expired GB2142781B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838318111A GB8318111D0 (en) 1983-07-04 1983-07-04 Magnetic assemblies

Publications (3)

Publication Number Publication Date
GB8416778D0 GB8416778D0 (en) 1984-08-08
GB2142781A GB2142781A (en) 1985-01-23
GB2142781B true GB2142781B (en) 1987-01-21

Family

ID=10545221

Family Applications (2)

Application Number Title Priority Date Filing Date
GB838318111A Pending GB8318111D0 (en) 1983-07-04 1983-07-04 Magnetic assemblies
GB08416778A Expired GB2142781B (en) 1983-07-04 1984-07-02 Switchable magnet assembly for use at sea

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB838318111A Pending GB8318111D0 (en) 1983-07-04 1983-07-04 Magnetic assemblies

Country Status (9)

Country Link
US (1) US4676168A (en)
EP (2) EP0151144B1 (en)
JP (1) JPS60501753A (en)
AU (1) AU559371B2 (en)
CA (1) CA1246661A (en)
DE (1) DE3461161D1 (en)
GB (2) GB8318111D0 (en)
IN (1) IN161522B (en)
WO (1) WO1985000335A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2630081B1 (en) * 1988-04-19 1993-03-26 Thomson Csf MAGNETIC DREDGING SYSTEM
GB2222026B (en) * 1988-08-19 1991-09-25 Marconi Co Ltd Magnet assembly
GB2223883A (en) * 1988-10-13 1990-04-18 Marconi Co Ltd Magnetic signature simulation apparatus
FR2666559B1 (en) * 1990-09-11 1995-07-21 Thomson Csf MAGNETIC DREDGING SYSTEM.
FR2704829B1 (en) * 1993-05-07 1995-06-09 Thomson Csf METHOD FOR AUTOMATIC COMPENSATION OF THE RESIDUAL MAGNET OF A FERROMAGNETIC DRAGON.
US5463523A (en) * 1993-09-01 1995-10-31 The United States Of America As Represented By The Secretary Of The Navy Zero field degaussing system and method
US5483410A (en) * 1994-03-25 1996-01-09 The United States Of America As Represented By The Secretary Of The Navy Advanced degaussing coil system
AU684814B2 (en) * 1994-10-05 1998-01-08 Boeing North American, Inc. Magnetic handling and cable wrapping system
DE9420497U1 (en) * 1994-12-22 1995-04-27 Fr Luerssen Werft Gmbh & Co Mine clearance vehicle
FI112852B (en) * 1999-07-06 2004-01-30 Elesco Oy minesweeping
WO2003069000A2 (en) * 2002-02-11 2003-08-21 University Of Virginia Patent Foundation Bulk-solidifying high manganese non-ferromagnetic amorphous steel alloys and related method of using and making the same
US7763125B2 (en) * 2003-06-02 2010-07-27 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
USRE47863E1 (en) 2003-06-02 2020-02-18 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
US7517415B2 (en) * 2003-06-02 2009-04-14 University Of Virginia Patent Foundation Non-ferromagnetic amorphous steel alloys containing large-atom metals
WO2006091875A2 (en) * 2005-02-24 2006-08-31 University Of Virginia Patent Foundation Amorphous steel composites with enhanced strengths, elastic properties and ductilities
WO2006098326A1 (en) * 2005-03-15 2006-09-21 National University Corporation NARA Institute of Science and Technology Complex for biocompatible material and process for production thereof
US8584586B1 (en) * 2011-05-03 2013-11-19 The United States Of America As Represented By The Secretary Of The Navy Roll frequency dependency correction to control magnetic ship signatures
RU2522688C2 (en) * 2012-06-22 2014-07-20 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг России) Device for separation of signal caused by effect of vertical component of earth magnetic field on on-board system of magnetic field monitoring for underwater objects
US8987598B1 (en) * 2012-11-07 2015-03-24 The United States Of America As Represented By The Secretary Of The Navy Corrossion resistant minesweeping cable

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3893063A (en) * 1944-03-15 1975-07-01 Us Navy Detection streamer
US2968274A (en) * 1944-04-28 1961-01-17 Nelson N Estes Anti-torpedo system
US2937611A (en) * 1944-06-10 1960-05-24 Schaelchlin Walter Control systems
US3119189A (en) * 1960-08-31 1964-01-28 Hyne Graham Everett Heading system
US3215904A (en) * 1961-12-22 1965-11-02 Wayne E Burt Mine counter measure ships degaussing status indicator
US4220108A (en) * 1968-09-27 1980-09-02 Burt Wayne E Minesweeping method and apparatus
US3826215A (en) * 1973-09-07 1974-07-30 Us Navy Magnetic mine detonator system
US3939753A (en) * 1974-05-15 1976-02-24 The United States Of America As Represented By The Secretary Of The Navy Three axis coil magnetic minesweeping system
US3884173A (en) * 1974-07-12 1975-05-20 Us Navy Suppression of cable strumming vibration by a ridged cable jacket
FR2389968B1 (en) * 1977-05-02 1983-02-04 Burroughs Corp
IT1099799B (en) * 1978-10-06 1985-09-28 Magnetotecnica Di Cardone Mich MAGNETIC ANCHORAGE EQUIPMENT
JPS6047153B2 (en) * 1980-07-30 1985-10-19 防衛庁技術研究本部長 Ship magnetic field simulation model
JPS5812409U (en) * 1981-07-16 1983-01-26 富士鋼業株式会社 wood insizing equipment
DE3269263D1 (en) * 1981-12-24 1986-03-27 Commw Of Australia Minesweeping apparatus

Also Published As

Publication number Publication date
AU559371B2 (en) 1987-03-05
DE3461161D1 (en) 1986-12-11
US4676168A (en) 1987-06-30
IN161522B (en) 1987-12-19
GB2142781A (en) 1985-01-23
GB8318111D0 (en) 1983-08-03
JPS60501753A (en) 1985-10-17
GB8416778D0 (en) 1984-08-08
CA1246661A (en) 1988-12-13
EP0151144A1 (en) 1985-08-14
EP0130767A1 (en) 1985-01-09
WO1985000335A1 (en) 1985-01-31
AU3108184A (en) 1985-02-07
EP0151144B1 (en) 1986-11-05

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030702